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Standard
| GB/T 11102-2008 Cemented carbide products for geological exploration drilling tools (English Version) |
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Detail of GB/T 11102-2008
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Introduction of GB/T 11102-2008
本标准代替ＧＢ／Ｔ１１１０２—１９８９《地质勘探工具用硬质合金制品》。本标准规定 了地质勘探工具用硬质合金制品的要求、试验方法、检验规则和标志、包装、运输、储存几定货单内容。本标准适用于地质勘探工具用硬质合金制品。本标准与ＧＢ／Ｔ１１１０２—１９８９相比，主要变化如下：
———增加了Ｔ２２形状；
———增加了Ｔ３０１０Ｂ型号；
———提高了制品尺寸的普通级允许偏差；
———增加了公称尺寸２６ｍｍ～３０ｍｍ 制品的规格及尺寸允许偏差。
Contents of GB/T 11102-2008